print(0o100)  # 8 > 10  0o100
print(0x100)  # 16 > 10 0x100
print(0b100)  # 2 > 10  0b100
print(oct(100))  # 10 > 8
print(hex(100))  # 10 > 16
print(bin(100))  # 10 > 2
print("==================================")
print(type(10))  # int
print(type(10.5), type(1.0))
print(float("1.23"))  # str -> float
# bool: True(1), False(0)
print(1 + True)
print(1 - False)
print(type(True))  # <class 'bool'>
